Cameron and Tyler Winklevoss Filed Paperwork for an IPO Tied to the Value of Bitcoin Digital Currency

Cameron and Tyler Winklevoss, twins known for battling Mark Zuckerberg over ownership of Facebook Inc., have filed for an initial public offering designed to allow investors to track the performance of the digital currency bitcoin.

The Winklevoss Bitcoin Trust said Monday in a filing with the Securities and Exchange Commission that it will sell about $20 million worth of shares, each of which will represent a fraction of a...